Frustrated by Billy's ability to evade capture, Thomas Catron devises a scheme to lure Billy back for his arrest; The Regulators attack the jail while Billy, aided by Dulcinea, escapes once again.

We are on the eve of the Lincoln County War. Jesse and the gang are encouraged by Murphy to ramp up their attacks on those famers, mostly Mexican, who have signed up with Tunstall. It’s the last straw for Billy, and he decides to change sides.

Billy returns to New Mexico seeking revenge on Thomas Catron, finding an unlikely conspirator in the Governor's own daughter Emily as he risks everything for justice, bringing the final chapter in this American legend's story to a climactic close.

The del Toboscos fail to repay their debt, leading to an ambush by the 7 Rivers Gang. Billy vows that he and the Regulators will take over Lincoln and clear out the thugs. But, there's a new Sheriff.

The Regulators have been on the defensive since the start of war, but Billy draws up a plan which could bring the war to an end.

Antrim, Kathleen and the two boys relocate to Silver City, trying to start a new life, but all their dreams are shattered — and Billy loses everything.

Billy and the Regulators hear news that John Tunstall’s ranch is going to be raided.

Through the wild backdrop of the Lincoln County War, the legendary Billy the Kid becomes ensnared in a deadly game of cat and mouse as lawman Pat Garrett orchestrates the ultimate trap.

Garrett and his posse relentlessly pursue Billy and the Regulators and after a tense stand-off, several close allies are forced to choose between loyalty and survival.

It’s 1871. 12-year-old Billy McCarty and his immigrant Irish family have to leave New York and travel west to seek new opportunities. But the journey proves fatal for some.

Billy and the Regulators are ambushed by Garrett after a betrayal and Jesse deals with a loss, while Catron has a conflict with his daughter as he tries to seize The House from Riley.

After another surprise attack from Garrett, Billy loses a trusted friend forcing him to seek revenge while Emily makes a calculated decision to reconcile with her father by asking for help.

Billy and the Regulators turn McSween's house into their HQ, and are supported by the Mexicans; a confrontation with the 7 Rivers Gang leads to a fusillade of bullets.

The Lincoln County War is on the verge of kicking off in a big way. Billy has joined Englishman John Tunstall in his commercial battle with Major Murphy and the House, but even bigger players lurk in the background and the stakes are high.